Home / 1,118,697.33-1,543,687.25-628,589.01

Finding the Fourth Proportional to 1,118,697.33, 1,543,687.25 and 628,589.01

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Solution

The fourth proportional to 1,118,697.33, 1,543,687.25 and 628,589.01 is: 867,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,697.33 : 1,543,687.25 = 628,589.01 : x
  2. Step 2: Convert to fraction form
    1,118,697.33/1,543,687.25 = 628,589.01/x
  3. Step 3: Cross multiply
    1,118,697.33x = 1,543,687.25 × 628,589.01
  4. Step 4: Simplify right side
    1,118,697.33x = 970,344,837,084.18
  5. Step 5: Solve for x
    x = 970,344,837,084.18/1,118,697.33
  6. Step 6: Final answer
    x = 867,388.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.